Toothbrush



FIG. 1 is perspective view as seen from the top, front and right side of a toothbrush showing our new design;

FIG. 2 is a reduced top plan view thereof;

FIG. 3 is a front elevational view of FIG. 2;

FIG. 4 is a right side elevational view of FIG. 2 where the left side view is a mirror image;

FIG. 5 is a rear elevational view of FIG. 2; and,

FIG. 6 is a bottom plan view of FIG. 2. 

The ornamental design for a toothbrush, as shown and described. 